ballin'est (bahl'-un-est)
adjective. Used to describe the best basketball player within the parameters of a specific location or circumstance, whether in a particular game, on a given team, in the league, etc.
Usage example: Greg Ostertag is the ballin'est player from Duncanville, Texas.Word History: The exact origin of this word is unknown.
Etymologists therorize that it originated as part of the
And1 Streetball Tour.
Ostertag is the ballin'est player. From this place, anyway.
http://www.azcentral.com/sports/suns/articles/2009/06/11/20090611spt-ostertag.html